JEE Main 2015 — Magnetic Effects of Current Question with Solution
JEE Main 2015 (11 Apr Online)
Question
Two long straight parallel wires, carrying (adjustable) currents and , are kept at a distance apart. If the force between the two wires is taken as 'positive' when the wires repel each other and 'negative' when the wires attract each other, the graph showing the dependence of , on the product , would be:
Choose an option
Show full solutionCorrect option: D
Step-by-step explanation
When are in same direction the ⇒ attraction ⇒ -ve
When are in opposite direction then
Force = repulsive = +ve
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This is a previous-year question from JEE Main 2015, covering the Magnetic Effects of Current chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.